qmk-firmware/keyboards/1upkeyboards/sweet16/keymaps/ridingintraffic
..
config.h
keymap.c
readme.md
rules.mk

Ridingtraffic's examples

=== This keymap has many features: 3 layers Momentary layer switching 16 pixel neopixel Unicode Enabled Tap dance enabled

The rgb also updates depending on what layer you are on, and then flips back when done.